. Animal physiology. Physiology, Comparative; Physiology, Comparative. Fig. 26.—Chalcis. breathe air; but, as their respiration is very inactive, they can spend a considerable time beneath the surface, without being obliged to come up to breathe. There are some lizards in which the feet are extremely small, and the body much prolonged, as shown in the Chalets (Fig. 26) ; and by these we pass to the next group. 94. The tribe of Serpents may be regarded as lizards without feet; their spinal column is immensely pro- longed; and their ribs are also very numerous; and they are able to crawl upon th
. Animal physiology. Physiology, Comparative; Physiology, Comparative. Fig. 26.—Chalcis. breathe air; but, as their respiration is very inactive, they can spend a considerable time beneath the surface, without being obliged to come up to breathe. There are some lizards in which the feet are extremely small, and the body much prolonged, as shown in the Chalets (Fig. 26) ; and by these we pass to the next group. 94. The tribe of Serpents may be regarded as lizards without feet; their spinal column is immensely pro- longed; and their ribs are also very numerous; and they are able to crawl upon the points of these, using them almost as the centipedes do their legs (§. 112). But in general, the movement of their bodies is accomplished by their being drawn up into folds, and then straightened so as to. Naia Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Carpenter, William Benjamin, 1813-1885. London : Wm. S. Orr and Co.
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